EP4173378B1 - Régulation de puissance pour des communications de liaison montante en mode duplex intégral - Google Patents

Régulation de puissance pour des communications de liaison montante en mode duplex intégral

Info

Publication number
EP4173378B1
EP4173378B1 EP21725664.3A EP21725664A EP4173378B1 EP 4173378 B1 EP4173378 B1 EP 4173378B1 EP 21725664 A EP21725664 A EP 21725664A EP 4173378 B1 EP4173378 B1 EP 4173378B1
Authority
EP
European Patent Office
Prior art keywords
uplink transmission
power control
control parameter
symbol
uplink
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP21725664.3A
Other languages
German (de)
English (en)
Other versions
EP4173378A1 (fr
Inventor
Huilin Xu
Muhammad Sayed Khairy Abdelghaffar
Ahmed Attia ABOTABL
Krishna Kiran Mukkavilli
Hwan Joon Kwon
Tingfang Ji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of EP4173378A1 publication Critical patent/EP4173378A1/fr
Application granted granted Critical
Publication of EP4173378B1 publication Critical patent/EP4173378B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/262—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account adaptive modulation and coding [AMC] scheme
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control

Definitions

  • aspects of the present disclosure generally relate to wireless communication and to techniques and apparatuses for controlling power for uplink communications in a full duplex mode.
  • Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts.
  • Typical wireless communication systems may employ multiple-access technologies capable of supporting communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, or the like).
  • multiple-access technologies include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency-division multiple access (FDMA) systems, orthogonal frequency-division multiple access (OFDMA) systems, single-carrier frequency-division multiple access (SC-FDMA) systems, time division synchronous code division multiple access (TD-SCDMA) systems, and Long Term Evolution (LTE).
  • LTE/LTE-Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3GPP).
  • UMTS Universal Mobile Telecommunications System
  • a wireless network may include a number of base stations (BSs) that can support communication for a number of user equipment (UEs).
  • UE may communicate with a BS via the downlink and uplink.
  • Downlink (or forward link) refers to the communication link from the BS to the UE
  • uplink (or reverse link) refers to the communication link from the UE to the BS.
  • a BS may be referred to as a Node B, a gNB, an access point (AP), a radio head, a transmit receive point (TRP), a New Radio (NR) BS, a 5G Node B, or the like.
  • NR which may also be referred to as 5G
  • 5G is a set of enhancements to the LTE mobile standard promulgated by the 3GPP.
  • NR is designed to better support mobile broadband Internet access by improving spectral efficiency, lowering costs, improving services, making use of new spectrum, and better integrating with other open standards using orthogonal frequency division multiplexing (OFDM) with a cyclic prefix (CP) (CP-OFDM) on the downlink (DL), using CP-OFDM and/or SC-FDM (e.g., also known as discrete Fourier transform spread OFDM (DFT-s-OFDM)) on the uplink (UL), as well as supporting beamforming, multiple-input multiple-output (MIMO) antenna technology, and carrier aggregation.
  • OFDM orthogonal frequency division multiplexing
  • SC-FDM e.g., also known as discrete Fourier transform spread OFDM (DFT-s-OFDM)
  • MIMO multiple-input multiple-output
  • WO 2019/170106 A1 discloses: A power control method and a device, and relate to the field of communications technologies.
  • a network device operating in a full-duplex mode can correctly receive data during data sending.
  • the method may include: receiving, by user equipment, power control parameter information of an uplink transmit power from a network device, where the power control parameter information includes first power control parameter information and second power control parameter information, the first power control parameter information is used to calculate an uplink transmit power for data transmission on a non-full-duplex resource, and the second power control parameter information includes a parameter for calculating an uplink transmit power for data transmission on a full-duplex resource; and determining, by the UE, an uplink transmit power based on the power control parameter information and a resource type used for uplink transmission, where the resource type includes a full-duplex resource and a non-full-duplex resource.
  • aspects generally include a method, apparatus, system, computer program product, non-transitory computer-readable medium, user equipment, base station, wireless communication device, and/or processing system as substantially described herein with reference to and as illustrated by the drawings and specification.
  • aspects are described in the present disclosure by illustration to some examples, those skilled in the art will understand that such aspects may be implemented in many different arrangements and scenarios.
  • Techniques described herein may be implemented using different platform types, devices, systems, shapes, sizes, and/or packaging arrangements.
  • some aspects may be implemented via integrated chip embodiments or other non-module-component based devices (e.g., end-user devices, vehicles, communication devices, computing devices, industrial equipment, retail/purchasing devices, medical devices, or artificial intelligence-enabled devices).
  • aspects may be implemented in chip-level components, modular components, non-modular components, non-chip-level components, device-level components, or system-level components.
  • Devices incorporating described aspects and features may include additional components and features for implementation and practice of claimed and described aspects.
  • transmission and reception of wireless signals may include a number of components for analog and digital purposes (e.g., hardware components including antennas, radio frequency (RF) chains, power amplifiers, modulators, buffers, processors, interleavers, adders, or summers). It is intended that aspects described herein may be practiced in a wide variety of devices, components, systems, distributed arrangements, or end-user devices of varying size, shape, and constitution.
  • RF radio frequency
  • aspects may be described herein using terminology commonly associated with a 5G or NR radio access technology (RAT), aspects of the present disclosure can be applied to other RATs, such as a 3G RAT, a 4G RAT, and/or a RAT subsequent to 5G (e.g., 6G).
  • RAT radio access technology
  • Fig. 1 is a diagram illustrating an example of a wireless network 100, in accordance with the present disclosure.
  • the wireless network 100 may be or may include elements of a 5G (NR) network and/or an LTE network, among other examples.
  • the wireless network 100 may include a number of base stations 110 (shown as BS 110a, BS 110b, BS 110c, and BS 110d) and other network entities.
  • a base station (BS) is an entity that communicates with user equipment (UEs) and may also be referred to as an NR BS, a Node B, a gNB, a 5G node B (NB), an access point, a transmit receive point (TRP), or the like.
  • Each BS may provide communication coverage for a particular geographic area.
  • the term "cell" can refer to a coverage area of a BS and/or a BS subsystem serving this coverage area, depending on the context in which the term is used.
  • a BS may provide communication coverage for a macro cell, a pico cell, a femto cell, and/or another type of cell.
  • a macro cell may cover a relatively large geographic area (e.g., several kilometers in radius) and may allow unrestricted access by UEs with service subscription.
  • a pico cell may cover a relatively small geographic area and may allow unrestricted access by UEs with service subscription.
  • a femto cell may cover a relatively small geographic area (e.g., a home) and may allow restricted access by UEs having association with the femto cell (e.g., UEs in a closed subscriber group (CSG)).
  • a BS for a macro cell may be referred to as a macro BS.
  • a BS for a pico cell may be referred to as a pico BS.
  • a BS for a femto cell may be referred to as a femto BS or a home BS.
  • a BS 110a may be a macro BS for a macro cell 102a
  • a BS 110b may be a pico BS for a pico cell 102b
  • a BS 110c may be a femto BS for a femto cell 102c.
  • a BS may support one or multiple (e.g., three) cells.
  • the terms "eNB”, “base station”, “NR BS”, “gNB”, “TRP”, “AP”, “node B", “5G NB”, and “cell” may be used interchangeably herein.
  • a cell may not necessarily be stationary, and the geographic area of the cell may move according to the location of a mobile BS.
  • the BSs may be interconnected to one another and/or to one or more other BSs or network nodes (not shown) in the wireless network 100 through various types of backhaul interfaces, such as a direct physical connection or a virtual network, using any suitable transport network.
  • Wireless network 100 may be a heterogeneous network that includes BSs of different types, such as macro BSs, pico BSs, femto BSs, relay BSs, or the like. These different types of BSs may have different transmit power levels, different coverage areas, and different impacts on interference in wireless network 100. For example, macro BSs may have a high transmit power level (e.g., 5 to 40 watts) whereas pico BSs, femto BSs, and relay BSs may have lower transmit power levels (e.g., 0.1 to 2 watts).
  • macro BSs may have a high transmit power level (e.g., 5 to 40 watts)
  • pico BSs, femto BSs, and relay BSs may have lower transmit power levels (e.g., 0.1 to 2 watts).
  • a network controller 130 may couple to a set of BSs and may provide coordination and control for these BSs.
  • Network controller 130 may communicate with the BSs via a backhaul.
  • the BSs may also communicate with one another, e.g., directly or indirectly via a wireless or wireline backhaul.
  • UEs 120 may be dispersed throughout wireless network 100, and each UE may be stationary or mobile.
  • a UE may also be referred to as an access terminal, a terminal, a mobile station, a subscriber unit, a station, or the like.
  • a UE may be a cellular phone (e.g., a smart phone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device or equipment, biometric sensors/devices, wearable devices (smart watches, smart clothing, smart glasses, smart wrist bands, smart jewelry (e.g., smart ring, smart bracelet)), an entertainment device (e.g., a music or video device, or a satellite radio), a vehicular component or sensor, smart meters/sensors, industrial manufacturing equipment, a global positioning system device, or any other suitable device that is configured to communicate via a wireless or wired medium.
  • a cellular phone e.g., a smart phone
  • PDA personal digital assistant
  • WLL wireless local loop
  • Some UEs may be considered machine-type communication (MTC) or evolved or enhanced machine-type communication (eMTC) UEs.
  • MTC and eMTC UEs include, for example, robots, drones, remote devices, sensors, meters, monitors, and/or location tags, that may communicate with a base station, another device (e.g., remote device), or some other entity.
  • a wireless node may provide, for example, connectivity for or to a network (e.g., a wide area network such as Internet or a cellular network) via a wired or wireless communication link.
  • Some UEs may be considered Internet-of-Things (IoT) devices, and/or may be implemented as NB-IoT (narrowband internet of things) devices.
  • IoT Internet-of-Things
  • NB-IoT narrowband internet of things
  • UE 120 may be included inside a housing that houses components of UE 120, such as processor components and/or memory components.
  • the processor components and the memory components may be coupled together.
  • the processor components e.g., one or more processors
  • the memory components e.g., a memory
  • the processor components and the memory components may be operatively coupled, communicatively coupled, electronically coupled, and/or electrically coupled.
  • any number of wireless networks may be deployed in a given geographic area.
  • Each wireless network may support a particular RAT and may operate on one or more frequencies.
  • a RAT may also be referred to as a radio technology, an air interface, or the like.
  • a frequency may also be referred to as a carrier, a frequency channel, or the like.
  • Each frequency may support a single RAT in a given geographic area in order to avoid interference between wireless networks of different RATs.
  • NR or 5G RAT networks may be deployed.
  • two or more UEs 120 may communicate directly using one or more sidelink channels (e.g., without using a base station 110 as an intermediary to communicate with one another).
  • the UEs 120 may communicate using peer-to-peer (P2P) communications, device-to-device (D2D) communications, a vehicle-to-everything (V2X) protocol (e.g., which may include a vehicle-to-vehicle (V2V) protocol or a vehicle-to-infrastructure (V2I) protocol), and/or a mesh network.
  • V2X vehicle-to-everything
  • the UE 120 may perform scheduling operations, resource selection operations, and/or other operations described elsewhere herein as being performed by the base station 110.
  • Devices of wireless network 100 may communicate using the electromagnetic spectrum, which may be subdivided based on frequency or wavelength into various classes, bands, channels, or the like.
  • devices of wireless network 100 may communicate using an operating band having a first frequency range (FR1), which may span from 410 MHz to 7.125 GHz, and/or may communicate using an operating band having a second frequency range (FR2), which may span from 24.25 GHz to 52.6 GHz.
  • FR1 and FR2 are sometimes referred to as mid-band frequencies.
  • FR1 is often referred to as a "sub-6 GHz" band.
  • FR2 is often referred to as a "millimeter wave” band despite being different from the extremely high frequency (EHF) band (30 GHz - 300 GHz) which is identified by the International Telecommunications Union (ITU) as a “millimeter wave” band.
  • EHF extremely high frequency
  • ITU International Telecommunications Union
  • sub-6 GHz or the like, if used herein, may broadly represent frequencies less than 6 GHz, frequencies within FR1, and/or mid-band frequencies (e.g., greater than 7.125 GHz).
  • millimeter wave may broadly represent frequencies within the EHF band, frequencies within FR2, and/or mid-band frequencies (e.g., less than 24.25 GHz). It is contemplated that the frequencies included in FR1 and FR2 may be modified, and techniques described herein are applicable to those modified frequency ranges.
  • Fig. 1 is provided as an example. Other examples may differ from what is described with regard to Fig. 1 .
  • Fig. 2 is a diagram illustrating an example 200 of a base station 110 in communication with a UE 120 in a wireless network 100, in accordance with the present disclosure.
  • Base station 110 may be equipped with T antennas 234a through 234t
  • UE 120 may be equipped with R antennas 252a through 252r, where in general T ⁇ 1 and R ⁇ 1.
  • a transmit processor 220 may receive data from a data source 212 for one or more UEs, select one or more modulation and coding schemes (MCS) for each UE based at least in part on channel quality indicators (CQIs) received from the UE, process (e.g., encode and modulate) the data for each UE based at least in part on the MCS(s) selected for the UE, and provide data symbols for all UEs. Transmit processor 220 may also process system information (e.g., for semi-static resource partitioning information (SRPI)) and control information (e.g., CQI requests, grants, and/or upper layer signaling) and provide overhead symbols and control symbols.
  • MCS modulation and coding schemes
  • Transmit processor 220 may also generate reference symbols for reference signals (e.g., a cell-specific reference signal (CRS) or a demodulation reference signal (DMRS)) and synchronization signals (e.g., a primary synchronization signal (PSS) or a secondary synchronization signal (SSS)).
  • a transmit (TX) multiple-input multiple-output (MIMO) processor 230 may perform spatial processing (e.g., precoding) on the data symbols, the control symbols, the overhead symbols, and/or the reference symbols, if applicable, and may provide T output symbol streams to T modulators (MODs) 232a through 232t. Each modulator 232 may process a respective output symbol stream (e.g., for OFDM) to obtain an output sample stream.
  • TX transmit
  • MIMO multiple-input multiple-output
  • Each modulator 232 may process a respective output symbol stream (e.g., for OFDM) to obtain an output sample stream.
  • Each modulator 232 may further process (e.g., convert to analog, amplify, filter, and upconvert) the output sample stream to obtain a downlink signal.
  • T downlink signals from modulators 232a through 232t may be transmitted via T antennas 234a through 234t, respectively.
  • antennas 252a through 252r may receive the downlink signals from base station 110 and/or other base stations and may provide received signals to demodulators (DEMODs) 254a through 254r, respectively.
  • Each demodulator 254 may condition (e.g., filter, amplify, downconvert, and digitize) a received signal to obtain input samples.
  • Each demodulator 254 may further process the input samples (e.g., for OFDM) to obtain received symbols.
  • a MIMO detector 256 may obtain received symbols from all R demodulators 254a through 254r, perform MIMO detection on the received symbols if applicable, and provide detected symbols.
  • a receive processor 258 may process (e.g., demodulate and decode) the detected symbols, provide decoded data for UE 120 to a data sink 260, and provide decoded control information and system information to a controller/processor 280.
  • controller/processor may refer to one or more controllers, one or more processors, or a combination thereof.
  • a channel processor may determine a reference signal received power (RSRP) parameter, a received signal strength indicator (RSSI) parameter, a reference signal received quality (RSRQ) parameter, and/or a CQI parameter, among other examples.
  • RSRP reference signal received power
  • RSSI received signal strength indicator
  • RSSQ reference signal received quality
  • CQI parameter CQI parameter
  • Network controller 130 may include communication unit 294, controller/processor 290, and memory 292.
  • Network controller 130 may include, for example, one or more devices in a core network.
  • Network controller 130 may communicate with base station 110 via communication unit 294.
  • Antennas may include, or may be included within, one or more antenna panels, antenna groups, sets of antenna elements, and/or antenna arrays, among other examples.
  • An antenna panel, an antenna group, a set of antenna elements, and/or an antenna array may include one or more antenna elements.
  • An antenna panel, an antenna group, a set of antenna elements, and/or an antenna array may include a set of coplanar antenna elements and/or a set of non-coplanar antenna elements.
  • An antenna panel, an antenna group, a set of antenna elements, and/or an antenna array may include antenna elements within a single housing and/or antenna elements within multiple housings.
  • An antenna panel, an antenna group, a set of antenna elements, and/or an antenna array may include one or more antenna elements coupled to one or more transmission and/or reception components, such as one or more components of Fig. 2 .
  • a transmit processor 264 may receive and process data from a data source 262 and control information (e.g., for reports that include RSRP, RSSI, RSRQ, and/or CQI) from controller/processor 280. Transmit processor 264 may also generate reference symbols for one or more reference signals. The symbols from transmit processor 264 may be precoded by a TX MIMO processor 266 if applicable, further processed by modulators 254a through 254r (e.g., for DFT-s-OFDM or CP-OFDM), and transmitted to base station 110.
  • control information e.g., for reports that include RSRP, RSSI, RSRQ, and/or CQI
  • Transmit processor 264 may also generate reference symbols for one or more reference signals.
  • the symbols from transmit processor 264 may be precoded by a TX MIMO processor 266 if applicable, further processed by modulators 254a through 254r (e.g., for DFT-s-OFDM or CP-OFDM
  • a modulator and a demodulator (e.g., MOD/DEMOD 254) of the UE 120 may be included in a modem of the UE 120.
  • the UE 120 includes a transceiver.
  • the transceiver may include any combination of antenna(s) 252, modulators and/or demodulators 254, MIMO detector 256, receive processor 258, transmit processor 264, and/or TX MIMO processor 266.
  • the transceiver may be used by a processor (e.g., controller/processor 280) and memory 282 to perform aspects of any of the methods described herein (for example, with reference to Figs. 5A-8 ).
  • the uplink signals from UE 120 and other UEs may be received by antennas 234, processed by demodulators 232, detected by a MIMO detector 236 if applicable, and further processed by a receive processor 238 to obtain decoded data and control information sent by UE 120.
  • Receive processor 238 may provide the decoded data to a data sink 239 and the decoded control information to controller/processor 240.
  • Base station 110 may include communication unit 244 and communicate to network controller 130 via communication unit 244.
  • Base station 110 may include a scheduler 246 to schedule UEs 120 for downlink and/or uplink communications.
  • a modulator and a demodulator (e.g., MOD/DEMOD 232) of the base station 110 may be included in a modem of the base station 110.
  • the base station 110 includes a transceiver.
  • the transceiver may include any combination of antenna(s) 234, modulators and/or demodulators 232, MIMO detector 236, receive processor 238, transmit processor 220, and/or TX MIMO processor 230.
  • the transceiver may be used by a processor (e.g., controller/processor 240) and memory 242 to perform aspects of any of the methods described herein (for example, with reference to Figs. 5A-8 ).
  • Controller/processor 240 of base station 110, controller/processor 280 of UE 120, and/or any other component(s) of Fig. 2 may perform one or more techniques associated with controlling power for uplink communications in a full duplex mode, as described in more detail elsewhere herein.
  • controller/processor 240 of base station 110, controller/processor 280 of UE 120, and/or any other component(s) of Fig. 2 may perform or direct operations of, for example, process 700 of Fig. 7 , process 800 of Fig. 8 , and/or other processes as described herein.
  • Memories 242 and 282 may store data and program codes for base station 110 and UE 120, respectively.
  • memory 242 and/or memory 282 may include a non-transitory computer-readable medium storing one or more instructions (e.g., code and/or program code) for wireless communication.
  • the one or more instructions when executed (e.g., directly, or after compiling, converting, and/or interpreting) by one or more processors of the base station 110 and/or the UE 120, may cause the one or more processors, the UE 120, and/or the base station 110 to perform or direct operations of, for example, process 700 of Fig. 7 , process 800 of Fig. 8 , and/or other processes as described herein.
  • executing instructions may include running the instructions, converting the instructions, compiling the instructions, and/or interpreting the instructions, among other examples.
  • a UE may include means for determining a first power control parameter associated with a first uplink transmission from the UE, wherein the first power control parameter is based on at least one of an adjusted target power for the first uplink transmission, an adjusted scaling factor for the first uplink transmission, a first parameter based at least in part on a self-interference associated with the UE, a second parameter based at least in part on a code rate or an MCS associated with a downlink transmission for the UE, or a combination thereof; and/or means for transmitting, to a base station (e.g., the base station 110), the first uplink transmission based at least in part on the first power control parameter.
  • a base station e.g., the base station 110
  • Fig. 2 is provided as an example. Other examples may differ from what is described with regard to Fig. 2 .
  • Fig. 3 is a diagram illustrating an example beamforming architecture 300 that supports beamforming for mmW communications, in accordance with the present disclosure.
  • architecture 300 may implement aspects of wireless network 100.
  • architecture 300 may be implemented in a transmitting device (e.g., a first wireless communication device, UE, or base station) and/or a receiving device (e.g., a second wireless communication device, UE, or base station), as described herein.
  • Reference numbers 322, 324, 326, and 328 indicate regions in the architecture 300 in which different types of signals travel or are processed. Specifically, reference number 322 indicates a region in which digital baseband signals travel or are processed, reference number 324 indicates a region in which analog baseband signals travel or are processed, reference number 326 indicates a region in which analog intermediate frequency (IF) signals travel or are processed, and reference number 328 indicates a region in which analog radio frequency (RF) signals travel or are processed.
  • the architecture also includes a local oscillator A 330, a local oscillator B 332, and a controller/processor 334. In some aspects, controller/processor 334 corresponds to controller/processor 240 of the base station described above in connection with Fig. 2 and/or controller/processor 280 of the UE described above in connection with Fig. 2 .
  • Each of the antenna elements 320 may include one or more subelements for radiating or receiving RF signals.
  • a single antenna element 320 may include a first sub-element cross-polarized with a second sub-element that can be used to independently transmit cross-polarized signals.
  • the antenna elements 320 may include patch antennas, dipole antennas, or other types of antennas arranged in a linear pattern, a two dimensional pattern, or another pattern.
  • a spacing between antenna elements 320 may be such that signals with a desired wavelength transmitted separately by the antenna elements 320 may interact or interfere (e.g., to form a desired beam). For example, given an expected range of wavelengths or frequencies, the spacing may provide a quarter wavelength, half wavelength, or other fraction of a wavelength of spacing between neighboring antenna elements 320 to allow for interaction or interference of signals transmitted by the separate antenna elements 320 within that expected range.
  • the modem 302 processes and generates digital baseband signals and may also control operation of the DAC 304, first and second mixers 306 and 308, splitter 310, first amplifiers 312, phase shifters 314, and/or the second amplifiers 316 to transmit signals via one or more or all of the antenna elements 320.
  • the modem 302 may process signals and control operation in accordance with a communication standard such as a wireless standard discussed herein.
  • the DAC 304 may convert digital baseband signals received from the modem 302 (and that are to be transmitted) into analog baseband signals.
  • the first mixer 306 upconverts analog baseband signals to analog IF signals within an IF using a local oscillator A 330.
  • the first mixer 306 may mix the signals with an oscillating signal generated by the local oscillator A 330 to "move" the baseband analog signals to the IF. In some cases, some processing or filtering (not shown) may take place at the IF.
  • the second mixer 308 upconverts the analog IF signals to analog RF signals using the local oscillator B 332. Similar to the first mixer, the second mixer 308 may mix the signals with an oscillating signal generated by the local oscillator B 332 to "move" the IF analog signals to the RF or the frequency at which signals will be transmitted or received.
  • the modem 302 and/or the controller/processor 334 may adjust the frequency of local oscillator A 330 and/or the local oscillator B 332 so that a desired IF and/or RF frequency is produced and used to facilitate processing and transmission of a signal within a desired bandwidth.
  • signals upconverted by the second mixer 308 are split or duplicated into multiple signals by the splitter 310.
  • the splitter 310 in architecture 300 splits the RF signal into multiple identical or nearly identical RF signals.
  • the split may take place with any type of signal, including with baseband digital, baseband analog, or IF analog signals.
  • Each of these signals may correspond to an antenna element 320, and the signal travels through and is processed by amplifiers 312 and 316, phase shifters 314, and/or other elements corresponding to the respective antenna element 320 to be provided to and transmitted by the corresponding antenna element 320 of the antenna array 318.
  • the splitter 310 may be an active splitter that is connected to a power supply and provides some gain so that RF signals exiting the splitter 310 are at a power level equal to or greater than the signal entering the splitter 310.
  • the splitter 310 is a passive splitter that is not connected to power supply and the RF signals exiting the splitter 310 may be at a power level lower than the RF signal entering the splitter 310.
  • the resulting RF signals may enter an amplifier, such as a first amplifier 312, or a phase shifter 314 corresponding to an antenna element 320.
  • the first and second amplifiers 312 and 316 are illustrated with dashed lines because one or both of them might not be necessary in some aspects. In some aspects, both the first amplifier 312 and second amplifier 316 are present. In some aspects, neither the first amplifier 312 nor the second amplifier 316 is present. In some aspects, one of the two amplifiers 312 and 316 is present but not the other.
  • the splitter 310 is an active splitter, the first amplifier 312 may not be used.
  • the phase shifter 314 is an active phase shifter that can provide a gain, the second amplifier 316 might not be used.
  • the modem 302 and/or the controller/processor 334 may have at least one control line connected to each of the splitter 310, first amplifiers 312, phase shifters 314, and/or second amplifiers 316 that may be used to configure a gain to provide a desired amount of gain for each component and thus each antenna element 320.
  • the settings of the phase shifters 354 are independent, meaning that each can be independently set to provide a desired amount of phase shift or the same amount of phase shift or some other configuration.
  • the modem 302 and/or the controller/processor 334 may have at least one control line connected to each of the phase shifters 354 and which may be used to configure the phase shifters 354 to provide a desired amount of phase shift or phase offset between antenna elements 320 to enable reception via one or more Rx beams.
  • the outputs of the phase shifters 354 may be input to one or more second amplifiers 352 for signal amplification of the phase shifted received RF signals.
  • the second amplifiers 352 may be individually configured to provide a configured amount of gain.
  • the second amplifiers 352 may be individually configured to provide an amount of gain to ensure that the signals input to combiner 350 have the same magnitude.
  • the amplifiers 352 and/or 356 are illustrated in dashed lines because they might not be necessary in some aspects. In some aspects, both the amplifier 352 and the amplifier 356 are present. In another aspect, neither the amplifier 352 nor the amplifier 356 are present. In other aspects, one of the amplifiers 352 and 356 is present but not the other.
  • the combiner 350 in architecture 300 combines the RF signal into a signal.
  • the combiner 350 may be a passive combiner (e.g., not connected to a power source), which may result in some insertion loss.
  • the combiner 350 may be an active combiner (e.g., connected to a power source), which may result in some signal gain.
  • When combiner 350 is an active combiner it may provide a different (e.g., configurable) amount of gain for each input signal so that the input signals have the same magnitude when they are combined.
  • the combiner 350 may not need the second amplifier 352 because the active combiner may provide the signal amplification.
  • mixers, splitters, amplifiers, phase shifters and other components may be located in different signal type areas (e.g., represented by different ones of the reference numbers 322, 324, 326, and 328) in different implemented architectures.
  • a split of the signal to be transmitted into multiple signals may take place at the analog RF, analog IF, analog baseband, or digital baseband frequencies in different examples.
  • amplification and/or phase shifts may also take place at different frequencies.
  • one or more of the splitter 310, amplifiers 312 and 316, or phase shifters 314 may be located between the DAC 304 and the first mixer 306 or between the first mixer 306 and the second mixer 308.
  • the modem 302 and/or the controller/processor 334 may control one or more of the other components 304 through 372 to select one or more antenna elements 320 and/or to form beams for transmission of one or more signals.
  • the antenna elements 320 may be individually selected or deselected for transmission of a signal (or signals) by controlling an amplitude of one or more corresponding amplifiers, such as the first amplifiers 312 and/or the second amplifiers 316.
  • Beamforming includes generation of a beam using multiple signals on different antenna elements, where one or more or all of the multiple signals are shifted in phase relative to each other.
  • the formed beam may carry physical or higher layer reference signals or information.
  • each signal of the multiple signals is radiated from a respective antenna element 320
  • the radiated signals interact, interfere (constructive and destructive interference), and amplify each other to form a resulting beam.
  • the shape (such as the amplitude, width, and/or presence of side lobes) and the direction (such as an angle of the beam relative to a surface of the antenna array 318) can be dynamically controlled by modifying the phase shifts or phase offsets imparted by the phase shifters 314 and amplitudes imparted by the amplifiers 312 and 316 of the multiple signals relative to each other.
  • the controller/processor 334 may be located partially or fully within one or more other components of the architecture 300. For example, the controller/processor 334 may be located within the modem 302 in some aspects.
  • Fig. 3 is provided as an example. Other examples may differ from what is described with regard to Fig. 3 .
  • Figs. 4A, 4B, and 4C are diagrams illustrating examples 400, 410, and 420, respectively, of full duplex communication.
  • examples 400, 410, and 420 each include one or more UEs 402 in communication with one or more base stations (or TRPs) 404 in a wireless network that supports full duplex communication.
  • base stations or TRPs
  • example 400 includes a UE 402 in communication with two base stations (or TRPs) 404-1 and 404-2. As shown in Fig. 4A , the UE 402 may transmit one or more uplink transmissions to base station 404-1 and may concurrently receive one or more downlink transmissions from base station 404-2. Accordingly, in the example 400 shown in Fig. 4A , full duplex communication is enabled for the UE 402, which may be operating as a full duplex node, but not for the base stations 404-1 and 404-2, which may be operating as half duplex nodes. Additionally, or alternatively, as shown in Fig.
  • example 420 includes a UE 402 in communication with a base station (or TRP) 404.
  • the base station 404 may transmit, and the UE 402 may receive, one or more downlink transmissions concurrently with the UE 402 transmitting, and the base station 404 receiving, one or more uplink transmissions.
  • full duplex communication is enabled for both the UE 402 and the base station 404, each of which is operating as a full duplex node.
  • FIGS. 4A-4C are provided as examples. Other examples may differ from what is described with regard to Figs. 4A-4C .
  • full duplex communication may be performed by selecting suitable uplink and downlink beam pairs (e.g., transmit and receive beams that are associated with different antenna panels of a UE and/or associated with different antenna panels and/or TRPs of a base station) to reduce or minimize self-interference (especially clutter echo) via spatial isolation.
  • the UE 402 and/or the base station 404 may determine uplink and downlink beams, that are separated on respective antenna panels (and/or TRPs), to provide reliable full duplex communication by selecting beam pairs that minimize, or at least reduce, self-interference at the UE 402 and/or the base station 404, respectively.
  • Measuring self-interference at a wireless node with full duplex capabilities may assist in determining uplink and downlink beam pairs that support full duplex communication.
  • the UE 402 (or an IAB child node, an MT unit, and/or another similar node) may obtain self-interference measurements to determine one or more candidate uplink transmit beams that can be paired with one or more candidate downlink receive beams.
  • the gNB 404 (or an IAB parent node, a CU, a DU, and/or another similar node) may obtain self-interference measurements to determine one or more candidate uplink receive beams that can be paired with one or more candidate downlink transmit beams.
  • a wireless node with full duplex capabilities may transmit a signal from a first set of antennas (and/or TRPs) in one or more transmit beam directions, and the wireless node may concurrently measure a received signal (e.g., a reflected or leaked transmit signal) on a second set of antennas (and/or TRPs) in one or more receive beam directions, where the first set of antennas may be different from or the same as the second set of antennas.
  • a received signal e.g., a reflected or leaked transmit signal
  • Some aspects described herein relate to techniques and apparatuses that enable further reductions in self-interference between uplink communications from and downlink communications to the UE 402.
  • techniques and apparatuses described herein may enable the UE 402 to adjust a transmit power used by the UE 402 for uplink communications in order to further reduce self-interference with downlink communications. Accordingly, the UE 402 improves the reliability and/or quality of full duplex communications.
  • the UE 402 conserves network overhead and processing resources by reducing a quantity of retransmissions of the downlink communications that may be required due to self-interference.
  • Fig. 4D is provided as an example. Other examples may differ from what is described with regard to Fig. 4D .
  • Figs. 5A , 5B , and 5C are diagrams illustrating examples 500, 510, and 520, respectively, of overlapping or neighboring symbols in full duplex communication.
  • Examples 500, 510, and 520 each include symbols depicted as areas within a time dimension and a frequency dimension.
  • uplink communications and downlink communications use the shaded symbols for respective uplink and downlink channels.
  • Examples 500, 510, and 520 each show uplink symbols, including DMRS, for a physical uplink shared channel (PUSCH), and downlink symbols, including DMRS, for a physical downlink shared channel (PDSCH).
  • PUSCH physical uplink shared channel
  • PDSCH physical downlink shared channel
  • example 510 includes at least some uplink symbols that neighbor at least some downlink symbols in time.
  • Fig. 5B shows no guard time between the neighboring symbols
  • the description similarly applies to a configuration in which at least some uplink symbols are separated from at least some downlink symbols in time by less than a threshold amount of time.
  • the UE 402 may transmit a first set of symbols and receive a second set of symbols, in a same frequency bandwidth, where the first set of symbols and the second set of symbols are separated in time with no guard time or with a guard time less than the threshold amount of time.
  • the UE 402 may transmit to the gNB 404 during a first time period, and receive from the gNB 404 during a second time period, in one or more overlapping frequencies.
  • example 520 includes at least some uplink symbols that neighbor at least some downlink symbols in frequency.
  • Fig. 5C shows no guard band between the neighboring symbols
  • the description similarly applies to a configuration in which at least some uplink symbols are separated from at least some downlink symbols in frequency by less than a threshold amount of frequency.
  • the UE 402 may transmit a first set of symbols in a first frequency bandwidth and, concurrently, receive a second set of symbols in a second frequency bandwidth, where the first frequency bandwidth and the second frequency bandwidth are separated in frequency with no guard band or with a guard band less than the threshold amount of frequency.
  • the UE 402 may, concurrently, transmit to the gNB 404 in a first set of frequencies and receive from the gNB 404 in a second set of frequencies.
  • Figs. 5A-5C are provided as examples. Other examples may differ from what is described with regard to Figs. 5A-5C .
  • Fig. 6 is a diagram illustrating an example 600 of controlling power for uplink communications in a full duplex mode, in accordance with the present disclosure.
  • example 600 includes a UE 402 communicating with a gNB 404.
  • a gNB 404 may communicate with other network nodes (e.g., a base station 110, a TRP, an IAB child node, and/or an IAB parent node) in communication with the UE 402.
  • the gNB 404 may communicate with the UE 402 on a wireless network (e.g., wireless network 100 of Fig. 1 ).
  • the UE 402 and/or the gNB 404 may operate in a full duplex mode (e.g., as described above in connection with Figs. 4A-4D ).
  • the UE 402 when in the full duplex mode may transmit and receive, in a same frequency bandwidth, concurrently.
  • the UE 402 when in the full duplex mode may transmit a first set of symbols and receive a second set of symbols, in a same frequency bandwidth, where the first set of symbols and the second set of symbols are separated in time by less than a threshold amount of time.
  • the UE 402 when in the full duplex mode, may transmit a first set of symbols in a first frequency bandwidth and, concurrently, receive a second set of symbols in a second frequency bandwidth, where the first frequency bandwidth and the second frequency bandwidth are separated in frequency by less than a threshold amount of frequency.
  • the gNB 404 may transmit, and the UE 402 may receive, a message that triggers the UE 402 to adjust a first power control associated with a first uplink transmission from the UE 402.
  • the message may "trigger" by causing the UE 402 to perform an action (e.g., adjusting the first power control) in response to receiving the message and/or in response to information included in, and/or indicated by, the message. Additionally, or alternatively, the message may "trigger" by providing the UE 402 with one or more parameters and/or other information that the UE 402 uses to perform an action (e.g., adjusting the first power control).
  • the message may include a medium access control (MAC) control element (MAC-CE) and/or another control element. Additionally, or alternatively, the message may include downlink control information (DCI) and/or another signal including information associated with the first uplink information. Accordingly, the UE 402 may determine a first power control parameter and adjust the first power control in accordance with or otherwise based at least in part on the first power control parameter.
  • MAC medium access control
  • DCI downlink control information
  • the UE 402 may determine a first power control parameter and adjust the first power control in accordance with or otherwise based at least in part on the first power control parameter.
  • the first uplink transmission may be associated with a first channel that includes at least one of a PUSCH, a PUCCH, a sounding reference signal (SRS), a random access channel (RACH), or a combination thereof. Accordingly, the UE 402 may determine the first power control parameter for the first channel. In some aspects, the UE 402 may determine the first power control parameter associated with the first uplink transmission independently of determining a second power control parameter associated with a second uplink transmission. For example, the second uplink transmission may be associated with a second channel that is different from the first channel and that may include at least one of a PUSCH, a PUCCH, an SRS, a RACH, or a combination thereof.
  • the first uplink transmission may be associated with the full duplex mode of the UE 402, as described above. Accordingly, in some aspects, the UE 402 may determine the first power control parameter associated with the first uplink transmission independently of determining a second power control parameter associated with a second uplink transmission. For example, the second uplink transmission may be associated with a half duplex mode for the UE 402.
  • the first uplink transmission may be associated with a first resource indicator.
  • the first uplink transmission may be associated with a first SRS resource.
  • the UE 402 may determine the first power control parameter associated with the first uplink transmission independently of determining a second power control parameter associated with a second uplink transmission.
  • the second uplink transmission may be associated with a second resource indicator that is different from the first resource indicator.
  • the second uplink transmission may be associated with a second SRS resource that is different from the first SRS resource.
  • the first uplink transmission may be associated with an ultra-reliable low-latency communication (URLLC) mode of the UE 402.
  • the first uplink transmission may include a URLLC or may otherwise be transmitted on a URLLC resource.
  • the UE 402 may determine the first power control parameter associated with the first uplink transmission independently of determining a second power control parameter associated with a second uplink transmission.
  • the second uplink transmission may be not associated with the URLLC mode.
  • the first uplink transmission includes at least one first symbol associated with the full duplex mode for the UE 402, and at least one second symbol associated with the half duplex mode for the UE 402.
  • the first uplink transmission may include the at least one first symbol before or after the at least one second symbol.
  • the first uplink transmission may include the at least one first symbol in one or more first frequencies and the at least one second symbol in one or more second frequencies that are different from the one or more first frequencies.
  • the at least one first symbol may overlap, in time and/or in frequency, with one or more symbols used for downlink communications from the gNB 404, and the at least one second symbol may not overlap with the one or more symbols used for downlink communications from the gNB 404.
  • the UE 402 transmits the first uplink transmission using the first power control parameter for the at least one first symbol and using the first power control parameter for the at least one second symbol.
  • the UE 402 may use the same transmit power for the at least one first symbol as for the at least one second symbol.
  • the UE 402 may adjust the first power control. For example, the UE 402 may adjust the first power control in accordance with or otherwise based at least in part on the first power control parameter.
  • the first power control parameter may be based on at least one of an adjusted target power for the first uplink transmission, an adjusted pathloss scaling factor for the first uplink transmission, a first parameter based at least in part on a self-interference associated with the UE 402, a second parameter based at least in part on a code rate or an MCS associated with a downlink transmission for the UE 402, or a combination thereof.
  • the first power control parameter may be based on a smaller target power (e.g., represented by P O PUSCH,b,f,c ( j )) for an uplink bandwidth part (e.g., represented by b) within a carrier (e.g., represented by f), and for an uplink configuration (e.g., represented by j ) in a serving cell (e.g., represented by c) that includes the gNB 404.
  • target power e.g., represented by P O PUSCH,b,f,c ( j )
  • an uplink bandwidth part e.g., represented by b
  • a carrier e.g., represented by f
  • an uplink configuration e.g., represented by j
  • serving cell e.g., represented by c
  • bandwidth part or “BWP” may refer to a contiguous set of physical resource blocks (PRBs), where each PRB includes a set of frequencies corresponding to one or more subcarriers.
  • a “subcarrier” may refer to a frequency based at least in part on a “carrier” frequency, and subcarriers may be aggregated to convey information wirelessly (e.g., using OFDM symbols and/or other RF symbols).
  • a “serving cell” may include a primary cell (PCell) with which the UE 402 is in a connected state (e.g., an RRC_CONNECTED state, as defined in 3GPP specifications and/or another standard).
  • the first power control parameter may be based on a smaller pathloss scaling factor (e.g., represented by ⁇ b,f,c ( j )) for the uplink bandwidth part (e.g., represented by b) within the carrier (e.g., represented by f), and for the uplink configuration (e.g., represented by j ) in the serving cell (e.g., represented by c) that includes the gNB 404.
  • the first power control parameter may include a parameter that reduces a transmit power for the first uplink transmission linearly, logarithmically, or otherwise based at least in part on the self-interference associated with the UE 402.
  • the parameter may become increasing negative as the self-interference increases.
  • the first power control parameter may include a parameter that reduces a transmit power based at least in part on a code rate and/or an MCS associated with a downlink transmission for the UE 402.
  • the parameter may become increasing negative as the code rate and/or the MCS for the downlink transmission increases.
  • b may represent a bandwidth part associated with an uplink connection, to the gNB 404, for the first uplink transmission;
  • f may represent a carrier including the bandwidth part;
  • c may represent a serving cell for the UE 402 and including the gNB 404;
  • i may represent an occasion (e.g., in time) in which the UE 402 transmits the first uplink transmission; and
  • l may represent an indicator of a configuration for the PUSCH.
  • M RB , b , f , c PUSCH i may represent a bandwidth of a resource assignment associated with the first uplink transmission
  • ⁇ may represent a subcarrier spacing (SCS) configuration associated with the first uplink transmission.
  • SCS subcarrier spacing
  • ⁇ b,f,c ( j ) may represent a scaling factor for a pathloss estimate (which in turn may be represented by PL b,f,c ( q d )), where q d may represent a reference signal used to estimate the pathloss.
  • the first power control parameter may include a reduced scaling factor for the pathloss estimate that the UE 402 uses in lieu of ⁇ b,f,c ( j ) .
  • ⁇ TF,b,f,c ( i ) may represent a factor based at least in part on a code rate and/or an MCS associated with the first uplink transmission. For example, ⁇ TF,b,f,c ( i ) may increase P PUSCH,b,f,c (i,j,q d ,q u ,l ) as the code rate and/or the MCS increases. Similarly, in some aspects, the UE 402 may additionally use ⁇ TF,d ( i ) to determine P PUSCH,b,f,c ( i,j,q d ,q u ,l ).
  • ⁇ TF,d ( i ) may represent a factor based at least in part on a code rate and/or an MCS associated with a downlink transmission, where d may represent the downlink transmission that at least partially overlaps, in time and/or in frequency, or at least partially neighbors (e.g., within a threshold amount of time and/or a threshold amount of frequency), the first uplink transmission.
  • ⁇ TF,d ( i ) may become increasingly negative (and thus reduce P PUSCH,b,f,c ( i, j,q d ,q u ,l )) as the code rate and/or the MCS of the downlink transmission increases.
  • f b,f,c ( i, l ) may represent an adjustment state for the PUSCH configuration (e.g., represented by l ).
  • the UE 402 may additionally use ⁇ b,f ,c ( q d ,q u ) to determine P PUSCH,b,f,c ( i, j,q d ,q u ,l ) .
  • ⁇ b,f,c ( q d , q u ) may represent a factor based at least in part on a self-interference associated with the UE 402.
  • the self-interference may have been measured using a reference signal (e.g., represented by q d ) on a downlink connection with the gNB 404 and a reference signal (e.g., represented by q u ) on the uplink connection with the gNB 404.
  • a reference signal e.g., represented by q d
  • q u the reference signal used on the downlink connection to measure the self-interference may include the same reference signal as used, or a different reference signal than used, to estimate the pathloss, as described above.
  • b may represent a bandwidth part associated with an uplink connection, to the gNB 404, for the first uplink transmission;
  • f may represent a carrier including the bandwidth part;
  • c may represent a serving cell for the UE 402 and including the gNB 404;
  • i may represent an occasion (e.g., in time) in which the UE 402 transmits the first uplink transmission; and
  • l may represent an indicator of a configuration for the PUCCH.
  • P PUCCH,b,f,c ( i,q d ,q u ,l ) may represent the transmit power for the first uplink transmission
  • P CMAX,f,c ( i ) may represent a maximum output power configured for the UE 402 (e.g., RRC configured from the gNB 404 and/or preconfigured for the UE 402 according to 3GPP specifications and/or another standard).
  • P O_PUCCH,b,f,c ( q u ) may represent a target power associated with the first uplink transmission, where q u may represent a reference signal upon which the target power is based, at least in part.
  • the first power control parameter may include a reduced target power that the UE 402 uses in lieu of P O_PUCCH,b,f,c ( q u ) .
  • M RB , b , f , c PUCCH i may represent a bandwidth of a resource assignment associated with the first uplink transmission, and ⁇ may represent an SCS configuration associated with the first uplink transmission.
  • PL b,f,c ( q d ) may represent a pathloss estimate, where q d may represent a reference signal used to estimate the pathloss.
  • the first power control parameter may include a scaling factor (e.g., represented by ⁇ b,f,c ( q d )) that the UE 402 uses to scale the pathloss, thereby reducing P PUCCH,b,f,c ( i,q d ,q u ,l ) .
  • ⁇ F_ PUCCH ( F ) may represent a factor based at least in part on a format (e.g., represented by F) for the first uplink transmission.
  • ⁇ TF,b,f,c ( i ) may represent a factor based at least in part on a code rate and/or an MCS associated with the first uplink transmission. For example, ⁇ TF,b,f,c ( i ) may increase P PUCCH,b,f,c ( i,q d ,q u ,l ) as the code rate and/or the MCS increases.
  • the UE 402 may additionally use ⁇ TF,d ( i ) to determine P PUCCH,b,f,c ( i,q d ,q u ,l ) .
  • ⁇ TF,d ( i ) may represent a factor based at least in part on a code rate and/or an MCS associated with a downlink transmission, where d may represent the downlink transmission that at least partially overlaps, in time and/or in frequency, or at least partially neighbors (e.g., within a threshold amount of time and/or a threshold amount of frequency), the first uplink transmission.
  • g b,f,c ( i, l ) may represent an adjustment state for the PUCCH configuration (e.g., represented by l ).
  • the UE 402 may additionally use ⁇ b,f,c ( q d , q u ) to determine P PUCCH,b,f,c ( i,q d ,q u ,l ) .
  • ⁇ b,f,c ( q d , q u ) may represent a factor based at least in part on a self-interference associated with the UE 402.
  • the self-interference may have been measured using a reference signal (e.g., represented by q d ) on a downlink connection with the gNB 404 and a reference signal (e.g., represented by q u ) on the uplink connection with the gNB 404.
  • a reference signal e.g., represented by q d
  • the reference signal used on the downlink connection to measure the self-interference may include the same reference signal as used, or a different reference signal than used, to estimate the pathloss, as described above.
  • the reference signal used on the uplink connection to measure the self-interference may include the same reference signal as used, or a different reference signal than used, to determine the target power, as described above.
  • b may represent a bandwidth part associated with an uplink connection, to the gNB 404, for the first uplink transmission;
  • f may represent a carrier including the bandwidth part;
  • c may represent a serving cell for the UE 402 and including the gNB 404;
  • i may represent an occasion (e.g., in time) in which the UE 402 transmits the first uplink transmission; and
  • l may represent an indicator of a configuration for the SRS.
  • P SRS,b,f,c ( i,q s ,q d ,l ) may represent the transmit power for the first uplink transmission
  • P CMAX,f,c ( i ) may represent a maximum output power configured for the UE 402 (e.g., RRC configured from the gNB 404 and/or preconfigured for the UE 402 according to 3GPP specifications and/or another standard).
  • P O_SRS,b,f,c ( q s ) may represent a target power associated with the first uplink transmission, where q s may represent a resource set for the SRS upon which the target power is based, at least in part.
  • the first power control parameter may include a reduced target power that the UE 402 uses in lieu of P O_SRS,b,f ,c ( q s ) .
  • M SRS,b,f,c ( i ) may represent a bandwidth of a resource assignment associated with the first uplink transmission
  • ⁇ may represent an SCS configuration associated with the first uplink transmission
  • ⁇ SRS,b,f,c ( q s ) may represent a scaling factor for a pathloss estimate (e.g., represented by PL b,f,c ( q d )), where q d may represent a reference signal used to estimate the pathloss.
  • the first power control parameter may include a reduced scaling factor for the pathloss estimate that the UE 402 uses in lieu of ⁇ SRS,b,f,c ( q s ) .
  • h b,f,c ( i, l ) may represent an adjustment state for the SRS configuration (e.g., represented by l ).
  • the UE 402 may additionally use ⁇ TF,d ( i ) to determine P SRS,b,f,c ( i,q s ,q d ,l ) .
  • ⁇ TF,d ( i ) may represent a factor based at least in part on a code rate and/or an MCS associated with a downlink transmission, where d may represent the downlink transmission that at least partially overlaps, in time and/or in frequency, or at least partially neighbors (e.g., within a threshold amount of time and/or a threshold amount of frequency), the first uplink transmission.
  • ⁇ TF,d ( i ) may become increasingly negative (and thus reduce P SRS,b,f,c ( i,q s ,q d ,l )) as the code rate and/or the MCS of the downlink transmission increases.
  • the UE 402 may additionally use ⁇ b,f,c ( q d ,q s ) to determine P SRS,b,f,c ( i,q s ,q d ,l ) .
  • ⁇ b,f,c ( q d , q s ) may represent a factor based at least in part on a self-interference associated with the UE 402.
  • the self-interference may have been measured using a reference signal (e.g., represented by q d ) on a downlink connection with the gNB 404 and a reference signal in the SRS resource set (e.g., represented by q s ) on the uplink connection with the gNB 404.
  • the reference signal used on the downlink connection to measure the self-interference may include the same reference signal as used, or a different reference signal than used, to estimate the pathloss, as described above. Additionally, or alternatively, although represented using q s , the reference signal used on the uplink connection to measure the self-interference may be included in the same SRS resource set as used, or a different SRS resource set than used, to determine the target power, as described above.
  • b may represent a bandwidth part associated with an uplink connection, to the gNB 404, for the first uplink transmission;
  • f may represent a carrier including the bandwidth part;
  • c may represent a serving cell for the UE 402 and including the gNB 404; and
  • i may represent an occasion (e.g., in time) in which the UE 402 transmits the first uplink transmission.
  • P PRACH,b,f,c ( i,q u , q d ) may represent the transmit power for the first uplink transmission
  • P CMAX,f,c ( i ) may represent a maximum output power configured for the UE 402 (e.g., RRC configured from the gNB 404 and/or preconfigured for the UE 402 according to 3GPP specifications and/or another standard).
  • P PRACH,target,f,c may represent a target power associated with the first uplink transmission.
  • the first power control parameter may include a reduced target power that the UE 402 uses in lieu of P PRACH,target,f,c ⁇
  • PL b,f,c may represent a pathloss estimate.
  • the first power control parameter may include a scaling factor (e.g., represented by ⁇ PRACH,f,c ) that the UE 402 uses to scale the pathloss, thereby reducing P PRACH,b,f,c ( i,q u ,q d ).
  • the UE 402 may additionally use ⁇ TF,d ( i ) to determine P PRACH,b,f,c ( i,q u ,q d ).
  • ⁇ TF,d ( i ) may represent a factor based at least in part on a code rate and/or an MCS associated with a downlink transmission, where d may represent the downlink transmission that at least partially overlaps, in time and/or in frequency, or at least partially neighbors (e.g., within a threshold amount of time and/or a threshold amount of frequency), the first uplink transmission.
  • ⁇ TF,d ( i ) may become increasingly negative (and thus reduce P PRACH,b,f,c ( i,q u ,q d )) as the code rate and/or the MCS of the downlink transmission increases.
  • the UE 402 may additionally use ⁇ b,f,c ( q d ,q u ) to determine P PRACH,b,f,c ( i,q u ,q d ) .
  • ⁇ b,f,c ( q d , q u ) may represent a factor based at least in part on a self-interference associated with the UE 402.
  • the self-interference may have been measured using a reference signal (e.g., represented by q d ) on a downlink connection with the gNB 404 and a reference signal (e.g., represented by q u ) on the uplink connection with the gNB 404.
  • the UE 402 may transmit, and the base station 404 may receive, the first uplink transmission based at least in part on the first power control parameter.
  • the UE 402 may reduce self-interference and thus improve the quality and/or reliability of the first uplink transmission. Additionally, on account of the reduced interference, the UE 402 may reduce a possible need to retransmit the first uplink transmission, thereby conserving network and processing resources.
  • Fig. 6 is provided as an example. Other examples may differ from what is described with respect to Fig. 6 .
  • Fig. 7 is a diagram illustrating an example process 700 performed, for example, by a UE, in accordance with the present disclosure.
  • Example process 700 is an example where the UE (e.g., UE 402, UE 120, and/or another network node, such as an MT unit and/or a child IAB node) performs operations associated with controlling power for uplink communications in a full duplex mode.
  • the UE e.g., UE 402, UE 120, and/or another network node, such as an MT unit and/or a child IAB node
  • process 700 may include determining a first power control parameter associated with a first uplink transmission from the UE (block 710).
  • the UE e.g., using one or more of transmit processor 264, TX MIMO processor 266, modulator 254, controller/processor 280, and/or memory 282
  • process 700 may include transmitting, to a base station (e.g., gNB 404, base station 110, and/or another network node, such as a CU, a DU, and/or a parent IAB node), the first uplink transmission based at least in part on the first power control parameter (block 720).
  • a base station e.g., gNB 404, base station 110, and/or another network node, such as a CU, a DU, and/or a parent IAB node
  • the UE e.g., using one or more of antenna 252, transmit processor 264, TX MIMO processor 266, modulator 254, controller/processor 280, and/or memory 282
  • Process 700 may include additional aspects, such as any single aspect or any combination of aspects described below and/or in connection with one or more other processes described elsewhere herein.
  • the first power control parameter is determined based at least in part on a setting stored in a memory of the UE.
  • the first power control parameter is determined based at least in part on receiving (e.g., using one or more of antenna 252, demodulator 254, MIMO detector 256, receive processor 258, transmit processor 264, controller/processor 280, and/or memory 282) a message from the base station.
  • the first uplink transmission is associated with a first channel, and the first channel includes at least one of a PUSCH, a PUCCH, an SRS, a RACH, or a combination thereof.
  • the first power control parameter associated with the first uplink transmission is determined independently of determining a second power control parameter associated with a second uplink transmission
  • the second uplink transmission is associated with a second channel that is different from the first channel
  • the second channel includes at least one of a PUSCH, a PUCCH, an SRS, a RACH, or a combination thereof.
  • the first uplink transmission is associated with a full duplex mode for the UE.
  • the UE when in the full duplex mode, transmits and receives, in a same frequency bandwidth, concurrently.
  • the UE when in the full duplex mode, transmits a first set of symbols and receives a second set of symbols, in a same frequency bandwidth, where the first set of symbols and the second set of symbols are separated in time by less than a threshold.
  • the UE when in the full duplex mode, transmits a first set of symbols in a first frequency bandwidth and, concurrently, receives a second set of symbols in a second frequency bandwidth, where the first frequency bandwidth and the second frequency bandwidth are separated in frequency by less than a threshold.
  • the first power control parameter associated with the first uplink transmission is determined independently of determining a second power control parameter associated with a second uplink transmission, and the second uplink transmission is associated with a half duplex mode for the UE.
  • the first uplink transmission is associated with a first resource indicator.
  • the first power control parameter associated with the first uplink transmission is determined independently of determining a second power control parameter associated with a second uplink transmission, and the second uplink transmission is associated with a second resource indicator that is different from the first resource indicator.
  • the first uplink transmission is associated with a URLLC mode.
  • the first power control parameter associated with the first uplink transmission is determined independently of determining a second power control parameter associated with a second uplink transmission, and the second uplink transmission is not associated with the URLLC mode.
  • the first uplink transmission includes at least one first symbol associated with a full duplex mode for the UE and at least one second symbol associated with a half duplex mode for the UE.
  • the first uplink transmission is transmitted using the first power control parameter for the at least one first symbol and using the first power control parameter for the at least one second symbol.
  • process 700 may include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Fig. 7 . Additionally, or alternatively, two or more of the blocks of process 700 may be performed in parallel.
  • Fig. 8 is a diagram illustrating an example process 800 performed, for example, by a base station, in accordance with the present disclosure.
  • Example process 800 is an example where the base station (e.g., gNB 404, base station 110, and/or another network node, such as a CU, a DU, and/or a parent IAB node) performs operations associated with controlling power for uplink communications in a full duplex mode.
  • the base station e.g., gNB 404, base station 110, and/or another network node, such as a CU, a DU, and/or a parent IAB node
  • process 800 may include transmitting, to a UE (e.g., UE 402, UE 120, and/or another network node, such as an MT unit and/or a child IAB node), a message that triggers the UE to adjust a first power control associated with a first uplink transmission from the UE (block 810).
  • a UE e.g., UE 402, UE 120, and/or another network node, such as an MT unit and/or a child IAB node
  • the base station e.g., using one or more of transmit processor 220, TX MIMO processor 230, modulator 232, antenna 234, controller/processor 240, memory 242, and/or scheduler 246) may transmit, to the UE, the message that triggers the UE to adjust the first power control associated with the first uplink transmission from the UE, as described above.
  • adjusting the first power control includes at least one of: adjusting a target power, adjusting a scaling factor, adjusting the first power control based at least in part on a self-interference associated with the UE, adjusting the first power control based at least in part on a code rate or an MCS associated with a downlink transmission for the UE, or a combination thereof.
  • Process 800 may include additional aspects, such as any single aspect or any combination of aspects described below and/or in connection with one or more other processes described elsewhere herein.
  • the first uplink transmission is associated with a full duplex mode for the UE.
  • the message triggers the UE to adjust the first power control associated with the first uplink transmission independently of a second power control associated with a second uplink transmission, and the second uplink transmission is associated with a second resource indicator that is different from the first resource indicator.
  • the message triggers the UE to adjust the first power control associated with the first uplink transmission independently of a second power control associated with a second uplink transmission, and the second uplink transmission is not associated with the URLLC mode.
  • the first uplink transmission is received based at least in part on the first power control for the at least one first symbol and based at least in part on the first power control for the at least one second symbol.
  • the term "component” is intended to be broadly construed as hardware and/or a combination of hardware and software.
  • Software shall be construed broadly to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, and/or functions, among other examples, whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise.
  • a processor is implemented in hardware and/or a combination of hardware and software. It will be apparent that systems and/or methods described herein may be implemented in different forms of hardware and/or a combination of hardware and software.
  • the terms “has,” “have,” “having,” or the like are intended to be open-ended terms. Further, the phrase “based on” is intended to mean “based, at least in part, on” unless explicitly stated otherwise. Also, as used herein, the term “or” is intended to be inclusive when used in a series and may be used interchangeably with “and/or,” unless explicitly stated otherwise (e.g., if used in combination with “either” or “only one of”).

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (15)

  1. Un procédé de communication sans fil réalisé par un équipement utilisateur, UE, comprenant :
    la détermination (710) d'un premier paramètre de contrôle de puissance associé à une première transmission de liaison montante à partir de l'UE (120), dans lequel le premier paramètre de contrôle de puissance est basé sur au moins un parmi :
    une puissance cible ajustée pour la première transmission de liaison montante,
    un facteur d'échelle ajusté pour la première transmission de liaison montante,
    un premier paramètre basé au moins en partie sur une auto-interférence associée à l'UE (120),
    un second paramètre basé au moins en partie sur un taux de codage ou un schéma de modulation et de codage, MCS, associé à une transmission de liaison descendante pour l'UE (120), ou
    une combinaison de ceux-ci ; et
    la transmission (720), à une station de base (110), de la première transmission de liaison montante sur la base au moins en partie du premier paramètre de contrôle de puissance.
    dans lequel la première transmission de liaison montante comporte au moins un premier symbole associé à un mode duplex intégral pour l'UE (120) et au moins un second symbole associé à un mode semi-duplex pour l'UE (120), et
    dans lequel la première transmission de liaison montante est transmise en utilisant le premier paramètre de contrôle de puissance pour l'au moins un premier symbole et en utilisant le premier paramètre de contrôle de puissance pour l'au moins un second symbole.
  2. Le procédé selon la revendication 1, dans lequel le premier paramètre de contrôle de puissance est déterminé au moins en partie sur la base d'un paramétrage stocké dans la mémoire, ou dans lequel le premier paramètre de contrôle de puissance est déterminé au moins en partie sur la base de la réception d'un message en provenance de la station de base (110).
  3. Le procédé selon la revendication 1, dans lequel :
    la première transmission de liaison montante est associée à un premier canal ;
    le premier canal inclut au moins un parmi un canal physique partagé de liaison montante, PUSCH, un canal physique de contrôle de liaison montante, PUCCH, un signal de référence de sondage, SRS, un canal d'accès aléatoire, RACH, ou une combinaison de ceux-ci ;
    le premier paramètre de contrôle de puissance associé à la première transmission de liaison montante est déterminé indépendamment de la détermination d'un second paramètre de contrôle de puissance associé à une seconde transmission de liaison montante ;
    la seconde transmission de liaison montante est associée à un second canal qui est différent du premier canal ; et
    le second canal inclut au moins un parmi un PUSCH, un PUCCH, un SRS, un RACH, ou une combinaison de ceux-ci.
  4. Le procédé selon la revendication 1, dans lequel la première transmission de liaison montante est associée à un premier indicateur de ressource, de préférence dans lequel le premier paramètre de contrôle de puissance associé à la première transmission de liaison montante est déterminé indépendamment de la détermination d'un second paramètre de contrôle de puissance associé à une seconde transmission de liaison montante, dans lequel la seconde transmission de liaison montante est associée à un second indicateur de ressource qui est différent du premier indicateur de ressource.
  5. Le procédé selon la revendication 1, dans lequel la première transmission de liaison montante est associée à un mode de communication ultra-fiable à faible latence, URLLC, de préférence dans lequel le premier paramètre de contrôle de puissance associé à la première transmission de liaison montante est déterminé indépendamment de la détermination d'un second paramètre de contrôle de puissance associé à une seconde transmission de liaison montante, dans lequel la seconde transmission de liaison montante n'est pas associée au mode URLLC.
  6. Un procédé de communication sans fil réalisé par une station de base (110), comprenant :
    la transmission (810), à un équipement utilisateur, UE, d'un message qui configure l'UE pour ajuster un premier contrôle de puissance associée à une première transmission de liaison montante depuis l'UE (120, 120a, 120d, 120e, 402, 405), dans lequel l'ajustement du premier contrôle de puissance inclut au moins un parmi :
    l'ajustement d'une puissance cible,
    l'ajustement d'un facteur d'échelle,
    l'ajustement du premier contrôle de puissance sur la base au moins en partie d'une auto-interférence associée à l'UE (120),
    l'ajustement du premier contrôle de puissance sur la base au moins en partie d'un taux de codage ou d'un schéma de modulation et de codage, MCS, associé à une transmission de liaison descendante pour l'UE (120), ou une combinaison de ceux-ci ; et
    la réception (820), en provenance de l'UE (120), de la première transmission de liaison montante sur la base au moins en partie de la transmission du message,
    dans lequel la première transmission de liaison montante inclut au moins un premier symbole associé à un mode duplex intégral pour l'UE (120) et au moins un second symbole associé à un mode semi-duplex pour l'UE (120),
    et dans lequel la première transmission de liaison montante est reçue sur la base au moins en partie du premier contrôle de puissance pour l'au moins un premier symbole et sur la base au moins en partie du premier contrôle de puissance pour l'au moins un second symbole.
  7. Le procédé selon la revendication 6, dans lequel la première transmission de liaison montante est associée à un premier canal, dans lequel le premier canal inclut au moins un parmi un canal physique partagé de liaison montante, PUSCH, un canal physique de contrôle de liaison montante, PUCCH, un signal de référence de sondage, SRS, un canal d'accès aléatoire, RACH, ou une combinaison de ceux-ci,
    de préférence dans lequel le message déclenche l'UE (120) pour ajuster le premier contrôle de puissance associé à la première transmission de liaison montante indépendamment d'un second contrôle de puissance associé à une seconde transmission de liaison montante, dans lequel la seconde transmission de liaison montante est associée à un second canal qui est différent du premier canal, et dans lequel le second canal inclut au moins un parmi un PUSCH, un PUCCH, un SRS, un RACH, ou une combinaison de ceux-ci.
  8. Le procédé selon la revendication 6, dans lequel la première transmission de liaison montante est associée à un mode duplex intégral pour l'UE (120),
    de préférence dans lequel le message déclenche l'UE (120) pour ajuster le premier contrôle de puissance associé à la première transmission de liaison montante indépendamment d'un second contrôle de puissance associé à une seconde transmission de liaison montante, dans lequel la seconde transmission de liaison montante est associée à un mode semi-duplex pour l'UE (120).
  9. Le procédé selon la revendication 6, dans lequel la première transmission de liaison montante est associée à un premier indicateur de ressource,
    de préférence dans lequel le message déclenche l'UE (120) pour ajuster le premier contrôle de puissance associé à la première transmission de liaison montante indépendamment d'un second contrôle de puissance associé à une seconde transmission de liaison montante, dans lequel la seconde transmission de liaison montante est associée à un second indicateur de ressource qui est différent du premier indicateur de ressource.
  10. Le procédé selon la revendication 6, dans lequel la première transmission de liaison montante est associée à un mode de communication ultra-fiable à faible latence, URLLC,
    de préférence dans lequel le message déclenche l'UE (120) pour ajuster le premier contrôle de puissance associé à la première transmission de liaison montante indépendamment d'un second contrôle de puissance associé à une seconde transmission de liaison montante, dans lequel la seconde transmission de liaison montante n'est pas associée au mode URLLC.
  11. Un appareil pour la communication sans fil au niveau d'un UE (120), comprenant :
    un moyen pour déterminer un premier paramètre de contrôle de puissance associé à une première transmission de liaison montante à partir de l'UE (120), dans lequel le premier paramètre de contrôle de puissance est basé sur au moins un parmi :
    une puissance cible ajustée pour la première transmission de liaison montante, un facteur d'échelle ajusté pour la première transmission de liaison montante,
    un premier paramètre basé au moins en partie sur une auto-interférence associée à l'UE (120),
    un second paramètre basé au moins en partie sur un taux de codage ou un schéma de modulation et de codage, MCS, associé à une transmission de liaison descendante pour l'UE (120), ou
    une combinaison de ceux-ci ; et
    un moyen pour transmettre, à une station de base (110), la première transmission de liaison montante sur la base au moins en partie du premier paramètre de contrôle de puissance.
    dans lequel la première transmission de liaison montante comporte au moins un premier symbole associé à un mode duplex intégral pour l'UE (120) et au moins un second symbole associé à un mode semi-duplex pour l'UE (120), et
    dans lequel la première transmission de liaison montante est transmise en utilisant le premier paramètre de contrôle de puissance pour l'au moins un premier symbole et en utilisant le premier paramètre de contrôle de puissance pour l'au moins un second symbole.
  12. L'appareil selon la revendication 11, comprenant en outre des moyens pour réaliser le procédé selon l'une des revendications 2 à 5.
  13. Un appareil pour la communication sans fil au niveau d'une station de base, comprenant :
    un moyen pour transmettre, à un équipement utilisateur (120), UE (120), un message qui configure l'UE (120) pour ajuster un premier contrôle de puissance associé à une première transmission de liaison montante depuis l'UE (120), dans lequel l'ajustement du premier contrôle de puissance inclut au moins un parmi :
    l'ajustement d'une puissance cible,
    l'ajustement d'un facteur d'échelle,
    l'ajustement du premier contrôle de puissance sur la base au moins en partie d'une auto-interférence associée à l'UE (120),
    l'ajustement du premier contrôle de puissance sur la base au moins en partie d'un taux de codage ou d'un schéma de modulation et de codage, MCS, associé à une transmission de liaison descendante pour l'UE (120), ou une combinaison de ceux-ci ; et
    un moyen pour recevoir, en provenance de l'UE (120), la première transmission de liaison montante sur la base au moins en partie de la transmission du message,
    dans lequel la première transmission de liaison montante inclut au moins un premier symbole associé à un mode duplex intégral pour l'UE (120) et au moins un second symbole associé à un mode semi-duplex pour l'UE (120),
    et dans lequel la première transmission de liaison montante est reçue sur la base au moins en partie du premier contrôle de puissance pour l'au moins un premier symbole et sur la base au moins en partie du premier contrôle de puissance pour l'au moins un second symbole.
  14. L'appareil selon la revendication 13, comprenant en outre des moyens pour réaliser le procédé selon l'une des revendications 7 à 10.
  15. Un programme de calculateur comprenant des instructions qui, lorsqu'elles sont exécutées par un calculateur, amènent le calculateur à réaliser le procédé selon l'une des revendications 1 à 5 ou 6 à 10.
EP21725664.3A 2020-06-24 2021-04-27 Régulation de puissance pour des communications de liaison montante en mode duplex intégral Active EP4173378B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063043548P 2020-06-24 2020-06-24
US17/302,164 US11792736B2 (en) 2020-06-24 2021-04-26 Power control for uplink communications in full duplex mode
PCT/US2021/070457 WO2021263253A1 (fr) 2020-06-24 2021-04-27 Régulation de puissance pour des communications de liaison montante en mode duplex intégral

Publications (2)

Publication Number Publication Date
EP4173378A1 EP4173378A1 (fr) 2023-05-03
EP4173378B1 true EP4173378B1 (fr) 2025-10-08

Family

ID=75914625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21725664.3A Active EP4173378B1 (fr) 2020-06-24 2021-04-27 Régulation de puissance pour des communications de liaison montante en mode duplex intégral

Country Status (4)

Country Link
US (1) US11792736B2 (fr)
EP (1) EP4173378B1 (fr)
CN (1) CN115804163B (fr)
WO (1) WO2021263253A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240214948A1 (en) * 2022-12-27 2024-06-27 Samsung Electronics Co., Ltd. Power headroom reporting in full-duplex systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8861443B2 (en) * 2012-09-20 2014-10-14 Intel Corporation Method and apparatus for power control in full-duplex wireless systems with simultaneous transmission reception
US10110264B2 (en) * 2013-09-13 2018-10-23 Blackberry Limited Full duplex resource reuse enablement
WO2016106604A1 (fr) 2014-12-30 2016-07-07 华为技术有限公司 Procédé et dispositif de transmission de signal
US10009143B2 (en) * 2016-03-03 2018-06-26 Futurewei Technologies, Inc. System and method for multi-user full duplex link adaptation
US10201006B2 (en) * 2016-04-01 2019-02-05 Qualcomm Incorporated Downlink control information for multi-layer transmissions
US20170325174A1 (en) * 2016-05-09 2017-11-09 Ofinno Technologies, Llc Uplink transmission power control in a wireless device and wireless network
CN110612751B (zh) * 2017-03-22 2023-02-21 Idac控股公司 用于在新型无线电(nr)系统中执行功率控制的方法
US11647543B2 (en) * 2017-03-23 2023-05-09 Comcast Cable Communications, Llc Power control for random access
US10582454B2 (en) * 2017-09-27 2020-03-03 Ofinno, Llc Power control for uplink control channel
US11044675B2 (en) 2018-02-13 2021-06-22 Idac Holdings, Inc. Methods, apparatuses and systems for adaptive uplink power control in a wireless network
CN110248402B (zh) 2018-03-09 2022-02-25 华为技术有限公司 一种功率控制方法及设备

Also Published As

Publication number Publication date
US20210410075A1 (en) 2021-12-30
WO2021263253A1 (fr) 2021-12-30
EP4173378A1 (fr) 2023-05-03
CN115804163A (zh) 2023-03-14
US11792736B2 (en) 2023-10-17
CN115804163B (zh) 2026-01-27

Similar Documents

Publication Publication Date Title
US11838920B2 (en) Beam-based configured grant—small data transfer occasions
US11632782B2 (en) Spatial filters in full duplex mode
US20230328766A1 (en) Transmission configurations for full duplex transmissions
US11894888B2 (en) Beamformed channel busy ratio
US12224834B2 (en) Channel state reporting for full duplex transmissions
EP4140240B1 (fr) Techniques de balayage de faisceau de canal d'accès aléatoire à travers de multiples identifiants de cellule physique d'une cellule de desserte
US11765614B2 (en) Beamformed channel occupancy ratio
US11811529B2 (en) Rate-matching, puncturing, and power scaling uplink communications in full duplex mode
EP4229974B1 (fr) Occasions d'accès aléatoire sur la base de faisceaux
US11671996B2 (en) Transmission configurations in full duplex mode
US12256373B2 (en) Beam-dependent system information
EP4189898B1 (fr) Configuration de signal de référence et mappages de quasi colocalisation pour des systèmes à large bande passante
EP4173378B1 (fr) Régulation de puissance pour des communications de liaison montante en mode duplex intégral
US11736342B2 (en) Different beam failure indicators for noise or interference
KR20240102954A (ko) 진폭 제어 능력 시그널링
US20220311572A1 (en) Reference signal resource sets for subband measurements

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20221102

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20250228

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTC Intention to grant announced (deleted)
INTG Intention to grant announced

Effective date: 20250522

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Ref country code: CH

Ref legal event code: F10

Free format text: ST27 STATUS EVENT CODE: U-0-0-F10-F00 (AS PROVIDED BY THE NATIONAL OFFICE)

Effective date: 20251008

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602021040045

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20251008

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1845962

Country of ref document: AT

Kind code of ref document: T

Effective date: 20251008

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251008

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20260320

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251008

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20260108

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251008

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251008

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251008

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20260108

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20260208

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20260317

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20260209

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251008

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251008